28239055

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1453}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 38315808

約数和(自身を除く): 10076753

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1453, 1495, 3887, 7265, 18889, 19435, 33419, 94445, 167095, 245557, 434447, 1227785, 2172235, 5647811, 28239055]

約数ペア:

[(1, 28239055), (5, 5647811), (13, 2172235), (23, 1227785), (65, 434447), (115, 245557), (169, 167095), (299, 94445), (845, 33419), (1453, 19435), (1495, 18889), (3887, 7265)]